<template>
  <div class="login-container">
    <h3 class="title1">
      <img src="@/assets/logo.png" alt="" />
      <img class="img1" src="@/assets/logo1.png" alt="" />
    </h3>
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="login-box">
        <div class="title-container">
          <h3 class="title">智慧建筑节能低碳管理系统</h3>
        </div>

        <el-form-item prop="username">
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="username"
            v-model="loginForm.username"
            placeholder="用户名"
            name="username"
            type="text"
            tabindex="1"
            auto-complete="on"
          />
        </el-form-item>

        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="密码"
            name="password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon
              :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
            />
          </span>
        </el-form-item>

        <el-button
          :loading="loading"
          type="primary"
          style="width: 100%; margin-bottom: 30px;background-color:#397cc1c7;"
          @click.native.prevent="handleLogin"
          >登 录
        </el-button>
      </div>
    </el-form>
    <div class="bottom">
      CopyRight © 2024-{{ year }} 杭州加砖信息科技有限公司 版权所有. All Rights
      Reserved.
    </div>
  </div>
</template>

<script>
import { validUsername } from "@/utils/validate";
export default {
  name: "Login",
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error("请输入账号！"));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error("请输入密码！"));
      }
      if (value.length < 6) {
        callback(new Error("密码长度不能少于6位！"));
      } else {
        callback();
      }
    };
    return {
      year: new Date().getFullYear() + 1,
      loginForm: {
        username: "",
        password: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", validator: validateUsername }
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword }
        ]
      },
      loading: false,
      passwordType: "password",
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              const menu = JSON.parse(localStorage.getItem("menuItems"));
              // this.$router.push({ path: this.redirect || '/' })
              if (menu[0].path === "/") {
                this.$router.push({ path: "/" });
              } else {
                this.$router.push({
                  path: menu[0].path + "/" + menu[0].children[0].path
                });
              }
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    }
  }
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff; //#2c3e50;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    //box-shadow: 0 2px 4px rgba(0, 0, 0, .12), 0 0 6px rgba(0, 0, 0, .04);

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    //color: #968c8c;
  }
}
</style>

<style lang="scss" scoped>
$bg: #303133;
$dark_gray: #889aa4;
$light_gray: #2c3e50;

.login-box {
  border: 1px solid #dccfcf;
  width: auto;
  margin: 10px auto;
  padding: 30px 40px;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  box-shadow: 0 0 25px #909399;
  background-color: #16161654;
}

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
  background: url("~@/assets/bg.jpg");
  background-size: 100% 100%;

  .login-form {
    position: relative;
    width: 620px;
    max-width: 100%;

    padding: 0 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      //color: $light_gray;
      color: #fff;
      margin: 10px auto 30px auto;
      text-align: center;
      //font-weight: bold;
    }
  }

  .title1 {
    font-size: 30px;
    color: #fff;
    margin: 0px auto 40px auto;
    text-align: center;
    // /font-weight: bold;
    margin-top: 10%;
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}

.bottom {
  position: absolute;
  width: 100%;
  text-align: center;
  bottom: 20px;
  color: #fff;
}

img {
  width: 290px;
  height: 76px;
  margin-right: 20px;
}

.img1 {
  width: 256px;
  height: 74px;
  margin-bottom: 3px;
}
</style>
